PDI1394L21 データシートの表示（PDF） - Philips Electronics
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PDI1394L21 Datasheet PDF : 52 Pages
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Philips Semiconductors
1394 full duplex AV link layer controller
Preliminary specification
PDI1394L21
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destinationID
tLabel
rt
tCode
priority
sourceID
destinationOffsetHigh
destinationOffsetLow
data length
spd
ackSent
SV00261
Figure 18. Block Read Request Receive Format
12.5.2.3 Block receive
The block receive format is shown below. The first quadlet contains the destination node ID and the rest of the packet header. The second and
third quadlets contain 16-bit sourceID and either the 48-bit destination offset (for requests) or the response code and reserved data (for
responses). The fourth quadlet contains the length of the data field and the extended transaction code (all zeros except for lock transactions).
The block data, if any, follows the extended code. The last quadlet contains packet reception status.
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destinationID
tLabel
rt
tCode
priority
sourceID
destinationOffsetHigh
destinationOffsetLow
dataLength
extendedTcode
Block data
padding (if needed)
spd
ackSent
SV00262
Figure 19. Block Write or Lock Request Receive Format
1999 Aug 06
21
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